Joan fitz John

Parents

• Isabel Bigod

Children

Siblings

• Walter de Lacy
• Margaret de Lacy
• Richard fitz John, 1st and last Lord FitzJohn
• Maud FitzJohn, Countess of Warwick
• Isabel fitz John
• Aveline fitz John
• Sir John fitz John
• Maud de Lacy, Baroness Geneville

Partners

• Theobald Butler, 4th Chief Butler of Ireland